/* ------------------------------
   Base settings
------------------------------ */

:root {
    --background: #0b1118;
    --surface: #111a24;
    --surface-light: #172231;
    --text: #e8edf3;
    --muted-text: #a7b1be;
    --accent: #58a6ff;
    --accent-dark: #3182ce;
    --border: #273545;
    --maximum-width: 1100px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background-color: var(--background);
    color: var(--text);
    font-family:
        Arial,
        Helvetica,
        sans-serif;
    line-height: 1.7;
}

a {
    color: var(--accent);
}

a:hover {
    color: white;
}

p {
    margin-top: 0;
}

.container {
    width: min(90%, var(--maximum-width));
    margin: 0 auto;
}


/* ------------------------------
   Header and navigation
------------------------------ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(11, 17, 24, 0.95);
    border-bottom: 1px solid var(--border);
}

.header-content {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.site-name {
    color: var(--text);
    font-size: 1.15rem;
    font-weight: bold;
    text-decoration: none;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-links a {
    color: var(--muted-text);
    font-size: 0.95rem;
    text-decoration: none;
}

.nav-links a:hover {
    color: var(--text);
}


/* ------------------------------
   Hero
------------------------------ */

.hero {
    min-height: 78vh;
    display: flex;
    align-items: center;
    padding: 100px 0;
    background:
        radial-gradient(
            circle at top right,
            rgba(88, 166, 255, 0.15),
            transparent 35%
        );
}

.hero-content {
    max-width: 850px;
}

.eyebrow,
.section-label {
    margin-bottom: 14px;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: bold;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    line-height: 1.2;
}

h1 {
    max-width: 900px;
    margin: 0 0 28px;
    font-size: clamp(2.7rem, 7vw, 5.5rem);
    letter-spacing: -0.04em;
}

h2 {
    max-width: 800px;
    margin: 0 0 28px;
    font-size: clamp(2rem, 4vw, 3.2rem);
    letter-spacing: -0.025em;
}

h3 {
    margin-top: 0;
    font-size: 1.3rem;
}

.hero-text {
    max-width: 760px;
    color: var(--muted-text);
    font-size: 1.15rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 35px;
}


/* ------------------------------
   Buttons
------------------------------ */

.button {
    display: inline-block;
    padding: 13px 22px;
    border: 1px solid var(--accent);
    border-radius: 7px;
    font-weight: bold;
    text-decoration: none;
}

.primary-button {
    background-color: var(--accent);
    color: #07111d;
}

.primary-button:hover {
    background-color: white;
    color: #07111d;
}

.secondary-button {
    background-color: transparent;
    color: var(--accent);
}

.secondary-button:hover {
    background-color: var(--accent);
    color: #07111d;
}


/* ------------------------------
   Sections
------------------------------ */

.section {
    padding: 95px 0;
}

.alternate-section {
    background-color: var(--surface);
}

.section-intro {
    max-width: 700px;
    margin-bottom: 35px;
    color: var(--muted-text);
    font-size: 1.08rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 55px;
    align-items: start;
}

.about-grid p {
    color: var(--muted-text);
    font-size: 1.05rem;
}


/* ------------------------------
   Cards
------------------------------ */

.card-grid {
    display: grid;
    grid-template-columns:
        repeat(auto-fit, minmax(230px, 1fr));
    gap: 22px;
}

.project-card,
.info-card {
    padding: 28px;
    background-color: var(--surface-light);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.project-card {
    transition:
        transform 0.2s ease,
        border-color 0.2s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.project-card p,
.info-card li {
    color: var(--muted-text);
}

.card-number {
    margin-bottom: 18px;
    color: var(--accent);
    font-weight: bold;
}

.skills-used {
    margin-top: 24px;
    color: var(--accent) !important;
    font-size: 0.9rem;
}

.status-badge {
    display: inline-block;
    margin-bottom: 20px;
    padding: 5px 10px;
    background-color: rgba(88, 166, 255, 0.14);
    border: 1px solid rgba(88, 166, 255, 0.45);
    border-radius: 999px;
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: bold;
}

.future-badge {
    color: var(--muted-text);
    border-color: var(--border);
    background-color: transparent;
}


/* ------------------------------
   Lists
------------------------------ */

.check-list {
    margin: 0;
    padding-left: 20px;
}

.check-list li {
    margin-bottom: 10px;
}


/* ------------------------------
   Contact
------------------------------ */

.contact-section {
    border-top: 1px solid var(--border);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 45px;
    align-items: center;
}

.contact-content p {
    color: var(--muted-text);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-links a {
    padding: 15px 18px;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
}


/* ------------------------------
   Footer
------------------------------ */

.site-footer {
    padding: 30px 0;
    background-color: #070c12;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    color: var(--muted-text);
    font-size: 0.9rem;
}

.footer-content p {
    margin: 0;
}


/* ------------------------------
   Mobile layout
------------------------------ */

@media (max-width: 750px) {

    .header-content {
        padding: 18px 0;
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-links {
        gap: 15px;
    }

    .hero {
        min-height: auto;
        padding: 80px 0;
    }

    .section {
        padding: 70px 0;
    }

    .about-grid,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
    }
}